AP Chemistry Thou SHALL NOT FORGET Unit 1-3

Front

What is the relationship between temperature (T) and volume (V) in gases?

Back

When Temperature increases, Volume increases (Charles's Law).

Front

What is the atomic symbol for Cobalt?

Back

Co.

Front

How many molecules are in 1 mole of any substance?

Back

6.022 x 10^23 molecules (Avogadro's number).

Front

How do you calculate the percentage of water in a hydrated salt?

Back

(mass of water lost / mass of hydrated salt) x 100.

Front

What is the electron configuration for Ruthenium (Ru)?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d⁶.

Front

What is the formula to calculate moles from mass?

Back

Moles = mass (g) / molar mass (g/mol).

Front

What is the principle behind the Law of Conservation of Mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is the significance of the mole in chemistry?

Back

The mole is a unit that measures the amount of substance, allowing chemists to count particles by weighing.

Front

What is the definition of a hydrated salt?

Back

A salt that contains water molecules within its crystal structure.

Front

What is the formula for calculating the molarity of a solution?

Back

Molarity (M) = moles of solute / liters of solution.